Definition of Pozzolanas. Meaning of Pozzolanas. Synonyms of Pozzolanas

- present in the K-rich, silica-poor Latium pozzolanas. Quartz is usually present in minor quantities in acidic pozzolanas, while pyroxenes and/or olivine phenocrysts...
- as binders. Volcanic dusts, called pozzolana or "pit sand", were favoured where they could be obtained. Pozzolana makes the concrete more resistant to...
- hand in an increased usage of naturally occurring pozzolans. Natural pozzolanas are abundant in certain locations and are extensively used as an addition...
- mineral resource. Italy is one of the world's leading producers of pumice, pozzolana, and feldspar. Another notable resource is marble, especially the famous...
- food consumed in Cape Verde is imported. Mineral resources include salt, pozzolana (a volcanic rock used in cement production), and limestone. Its small...
- pozzolanic mortar and cement. Even later, the Romans used a mortar without pozzolana using crushed terra cotta, introducing aluminum oxide and silicon dioxide...
- were made of lime and pozzolana, a type of volcanic ash, set into an underwater concrete. Herod imported over 24,000 m3 of pozzolana from the name-giving...
- combinations of different limestones and additives including tr**** and pozzolanas and did exhaustive market research on the available hydraulic limes, visiting...
- invented in the late 3rd century BC. It was a powerful cement derived from pozzolana, and soon supplanted marble as the chief Roman building material and allowed...
- may be added to reduce the amount of expensive Portland cement such as pozzolanas and rice husk ash. Sandcrete is similar but weaker than mortar, for which...